25152763765 has 16 divisors (see below), whose sum is σ = 30701543040. Its totient is φ = 19779595200.

The previous prime is 25152763751. The next prime is 25152763819. The reversal of 25152763765 is 56736725152.

It is a happy number.

It is not a de Polignac number, because 25152763765 - 2¹⁵ = 25152730997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108969 + ... + 249358.

It is an arithmetic number, because the mean of its divisors is an integer number (1918846440).

Almost surely, 2^25152763765 is an apocalyptic number.

It is an amenable number.

25152763765 is a deficient number, since it is larger than the sum of its proper divisors (5548779275).

25152763765 is a wasteful number, since it uses less digits than its factorization.

25152763765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358572.

The product of its digits is 2646000, while the sum is 49.

The spelling of 25152763765 in words is "twenty-five billion, one hundred fifty-two million, seven hundred sixty-three thousand, seven hundred sixty-five".